DELTA®-AT 1200

High-performance drainage sheet for tunnels

DELTA®-AT 1200 Rolle

DELTA®-AT 1200

DELTA®-AT 1200 Illustration

Waterproofing sheet

Excavation lining (tunnel)

Tunnel arch (inner shell)

DELTA®-AT 1200

Seepage pebbles

Line drainage

Underground water (collecting pipe)

Concrete floor

DELTA®-AT 1200


Dimple sheet



Dimple height



Compressive strength short-term

850 kN/m²

Dörken GmbH & Co. KG

Dörken GmbH & Co. KG
Wetterstraße 58
D-58313 Herdecke

Tel          +49 23 30/63-0
Fax         +49 23 30/63-355

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© Dörken GmbH & Co. KG · A member of DÖRKENGROUP · DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.